On Call is an application for distribution of work combining elements of task management and time management with ios and android operating systems.
Its devil reminding function will help order senders to urge their subordinates when its well-organized task list will lead to a better plan for the order receivers.
Work will be easier because both of senders and receivers can check and follow up any state of tasks, such as if it is sent, read, delayed or finished.
On Call is used widely between employers and employees, leaders and subordinates, family members and so on.